** Datasheet Download **
SF-TC350M-9268A1-T
Specification.pdf < with Resistive Touch Screen >
SF-TC350M-9268A1-N
Specification.pdf < without Touch Screen >
3.5 Inch TFT LCD Display 320x240 RGB Interface Product Introduction
Product Quick Review
- Model No. SF-TC350M-9268A1-T
- Resolution : 320×240 dots
- View Direction : 6H
- Controller IC:HX8238D
- Brightness (cd/m²): 400
- Touch Panel : With Resistive Touch Panel
Description
SF-TC350M-9268A1-T is a 3.5 inch TFT-LCD display featuring a
resolution of 320x240 pixels and 400 cd/m2 brightness. This module
uses HX8238D controller IC supporting RGB interfaces. The module
dimension of the display is 63.9 x 76.9 x 4.45 mm, and the active
area is 70.08 x 532.56 mm. Its supply voltage range for analog is
2.5V to 3.3V; the typical value is 2.8V.
This display module uses a TN Type screen, which vewing angle is
6H. The SF-TC350M-9268A1-T module can operate at temperatures from
-20°C to +70°C; its storage temperatures range from -30°C to +80°C.
3.5 Inch TFT LCD Display 320x240 RGB Interface Product Drawing
Pin Definition
| Pin NO. | Symbol | I/O | Description |
| 1 | LED-K1 | I | LED Cathode |
| 2 | LED-K2 | I | LED Cathode Connect to LED-K1 |
| 3 | LED-A1 | I | LED Anode |
| 4 | LED-A2 | I | LED Anode Connect to LED-A1 |
| 5~7 | NC | - | No Connection |
| 8 | /RESET | I | Reset Pin |
| 9 | CS | I | Input pin for chip selection signal |
| 10 | SCL | I | SPI Clock Signal |
| 11 | SDI | I | SPI Interface Input Pin |
| 12 | B0 | I | BLUE Data Signal(LSB) |
| 13~19 | B1-7 | I | BLUE Data Signal |
| 20 | G0 | I | GREEN Data Signal(LSB) |
| 21~27 | G1-7 | I | GREEN Data Signal |
| 28 | R0 | I | RED Data Signal (LSB) |
| 29~35 | R1-7 | I | RED Data Signal |
| 36 | HSYNC | I | Horizontal Synchronizing Signal |
| 37 | VSYNC | I | Vertical Synchronizing Signal |
| 38 | DOTCLK | I | Clock Signal to Sample each date |
| 39~40 | NC | - | No Connection |
| 41 | VDD | I | +2.8V Power Source |
| 42 | VDDIO | I | 1.8V~2.8V Power Source |
| 43 | YU | I | Touch Panel Pin |
| 44 | XL | I | Touch Panel Pin |
| 45 | YD | I | Touch Panel Pin |
| 46 | XR | I | Touch Panel Pin |
| 47~51 | NC | - | Not Connection |
| 52 | ENABLE | I | Input Data enable control |
| 53~54 | GND | I | Power Ground |
Absolute Maximum Limit
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | 1.6~3.3 | V |
| Input voltage | Vin | VDD+0.3 | V |
| Operating temperature | Topr | -20 to 70 | °C |
| Storage temperature | Tstg | -30 to 80 | °C |
DC Characteristics (VDD=2.8V,Ta=25°C)
| Item | Symbol | Min | Type | Max | Unit | Test condition |
| Operating voltage | VDD | 2.5 | 2.8 | 3.3 | V | - |
| Supply current | IDD | - | TBD | - | mA | VDD=2.8V,Ta=25°C |
| Input voltage | VIH | 0.7VDD | - | VDD | V | - |
| VIL | 0 | - | 0.3VDD | V |
| Input leakage current | IIL | - | TBD | - | mA | VIN=VDD or VSS |
Backlight Electrical-optical Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Test Condition | Note |
| Supply Voltage | Vf | 17.5 | 19.2 | 20.5 | V | If=20 mA | - |
| Supply Current | If | - | 20 | - | mA | - | - |
| Reverse Voltage | Vr | - | - | 5 | V | - | |
| Power dissipation | Pd | - | 288 | - | mW | - | |
| Luminous Intensity for LCM |
- | 350 | 400 | 450 | Cd/m2 | If=20mA | - |
| Uniformity for LCM | - | 80 | - | - | ％ | If=20 mA | - |
| Backlight Color | White |
Touch screen panel specifications
| Item | Symbol | Min. | Type. | Max. | unit | Remark |
| TransParency | - | - | 82 | - | % | JIS K-7105 |
| Haze | - | - | 1 | - | % | JIS K-7105 |
| Hardness Of Surface | - | - | 3 | - | H | 150gf 45° |
| FPC Peeling Strength | - | 5 | | - | N | Upward 90° |
| FPC Bending | - | - | 3 | - | cycle | R=1.0, 90° |
| Input Force | - | - | | 50 | gf | - |
| Rated Voltage | V touch | | | 7 | V | DC |
| X-axis Resistance | Rx | 150 | | 500 | | FPC PIN |
| X-axis Resistance | Ry | 200 | | 800 | |
| Linearity | - | - | ±1.5 | ±2.0 | % | - |
| Chattering | - | - | - | 20 | ms | - |
| Insulation Resistance | Ri | 10 | - | - | MΩ | - |
| Notes Life | - | 1,00,000 | - | - | Times | - |
| Input Life | - | 1,000,000 | - | - | Times | - |
Optical Characteristics
| No. | ITEM | Symbol | Conditions | Specification | Unit | Note |
| Min | Typ | Max |
| 1 | Response Time | Tr+Tf | 25℃ | - | 15 | - | Ms | (1)(2) |
| 2 | Transmittance (With PL) | T(%) | - | - | 7.1 | - | - | - |
| 3 | Contrast Rate | Cr | θ=0, Normal viewing angle | - | 250 | - | - | (1)(3) |
| 4 | Viewing Angle
| Hor. | θR | CR>10 | - | 60 | - | Deg | - |
| θL | - | 60 | - |
| Ver. | Θ+ | - | 45 | - |
| Θ- | - | 60 | - |
3.5 Inch TFT LCD Display 320x240 RGB Interface Product Image
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